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qemu: Avoid memory leak in qemuMonitorJSONExtractQueryStatsSchema

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In a rare case when virHashAddEntry fails we would just leak the
structure we wanted to add to the hash table.

Fixes: e89acdbc3b
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Jiri Denemark
2022-11-02 15:52:31 +01:00
parent 6eb02a0086
commit a607baf65a
1 changed files with 4 additions and 2 deletions
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6
src/qemu/qemu_monitor_json.c
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@@ -8596,7 +8596,7 @@ qemuMonitorJSONExtractQueryStatsSchema(virJSONValue *json)
virJSONValue *stat = virJSONValueArrayGet(stats, j);
const char *name = NULL;
const char *tmp = NULL;
qemuMonitorQueryStatsSchemaData *data = NULL;
g_autofree qemuMonitorQueryStatsSchemaData *data = NULL;
int type = -1;
int unit = -1;
@@ -8632,7 +8632,9 @@ qemuMonitorJSONExtractQueryStatsSchema(virJSONValue *json)
virJSONValueObjectGetNumberUint(stat, "bucket-size", &data->bucket_size) < 0)
data->bucket_size = 0;
virHashAddEntry(schema, name, data);
if (virHashAddEntry(schema, name, data) < 0)
return NULL;
data = NULL;
}
}